SHURE QLXD4 — RF, LINK, AUDIO AND BACKUP Date / event / room / channel: Receiver / band / frequency / firmware: Transmitter / band / firmware / microphone or capsule: Required encryption / key icons / complete error message: Saved settings / receiver gain / MIC-LINE / output: RF bars and blue LED with transmitter off/on: IR sync / success or failure / audio / OL / TxOL: Cable / console input / sensitivity / meter / PFL: Single change / observed result / next step: Synchronized backup / individual test / level difference: Final state / enabled channel / outstanding issues / person responsible: Blank test record. Fill with results from this setup. Operate one transmitter at a time when sharing a receiver. Keep the required encryption. Do not change the RF plan during program. MIC to LINE raises only the XLR output by 30 dB: prepare the destination level.